Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 01:38

General

  • Target

    $PLUGINSDIR/UAC.dll

  • Size

    14KB

  • MD5

    b7d7324f2128531c9777d837516b65a6

  • SHA1

    e15e44fc7c907329e1cd3985e8666b4332f4fa48

  • SHA256

    530dc2b26366fc86072487438317a5723a10ff8b38522f9e813df19146a31033

  • SHA512

    829fc241cd377de094faf80bb38828c3d877170ca4a3fd85810bc911d2ce38941f8067ef681c21d8bbc04be8a99a3d32b3aec51ae7b32d3a89e5a9d9597ed8d5

  • SSDEEP

    192:+kipfAcFT9GlPjP5yIUbf7V8rdawGYiYIRTRGczl6MAW1p2oXO8ham:+VNAcXyDUB3VJbR5l6MAW1p88z

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 624
        3⤵
        • Program crash
        PID:1804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4744 -ip 4744
    1⤵
      PID:1496
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4372,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=1036 /prefetch:8
      1⤵
        PID:4400

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads